Sierra / Mallory

Additional Details:

• Temperature Rating: 160°F

Interchanges/Replaces

GLM

• 13400

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2555	GLM 32100 Mercruiser Stern Drive 27-89656 27-896561	1	Thermostat Cover Gasket		N/A
18-2843	Barr MC472774830 GLM 31840 Mercruiser Stern Drive 27-74830	1	Thermostat Gasket		N/A
18-3552	Crusader 96358 GLM 13050 Mallory 9-43000 Mercruiser Stern Drive 76270 76270T	1	Thermostat		N/A

Additional Details:

• Temperature Rating: 160° F

Interchanges/Replaces

GLM

• 13420

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2555	GLM 32100 Mercruiser Stern Drive 27-89656 27-896561	1	Thermostat Cover Gasket		N/A
18-3555	GLM 13040 Mallory 9-43001 9-43016 Mercruiser Stern Drive 991551 99155A1 99155T2	1	Thermostat		N/A

Interchanges/Replaces

GLM

• 13450

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0929	GLM 34260 Johnson/Evinrude Outboard 313416 OMC Stern Drive 313416 3852120 Volvo Penta 3852120	1	Thermostat Gasket		N/A
18-2548	GLM 34630 Johnson/Evinrude Outboard 317226 332108	1	Thermostat Cover Gasket		N/A
18-3557	Chrysler/Force/US Marine F335068 GLM 13080 Johnson/Evinrude Outboard 382385 396987 Mallory 9-43024 Mercruiser Stern Drive 47594 Volvo Penta 21148403	1	Thermostat		N/A

Key Features:

• Fits: 2.5L & 3.0L (1982-88)

Additional Details:

• Temperature Rating: 160° (71 C)

Interchanges/Replaces

GLM

• 13440

Volvo Penta

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0929	GLM 34260 Johnson/Evinrude Outboard 313416 OMC Stern Drive 313416 3852120 Volvo Penta 3852120	1	Thermostat Gasket		N/A
18-2858	Barr OMC47314809 GLM 33440 Mallory 9-60016 OMC Stern Drive 314809 3852127 Volvo Penta 3852127	1	Thermostat Gasket		N/A
18-3558	GLM 13070 OMC Stern Drive 3853799 982554 Volvo Penta 3853799	1	Thermostat		N/A

Use With:

• 18-3543: Thermostat

Interchanges/Replaces

GLM

• 13270

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0675	GLM 34440 Johnson/Evinrude Outboard 321932	2	Thermostat Gasket		N/A
18-0977	GLM 33650 Johnson/Evinrude Outboard 321897 332369 Mallory 9-60448	2	Thermostat Gasket		N/A
18-2391	GLM 86481 Johnson/Evinrude Outboard 321692	2	Grommet (V4 Crossflow)		N/A
18-3564	GLM 46170 Johnson/Evinrude Outboard 318395	2	Poppet Relief Valve (V4 Crossflow)		N/A
18-1243	GLM 46150 Johnson/Evinrude Outboard 317245	2	Valve Spring (V4/V6 Crossflow)		N/A
18-3543	Johnson/Evinrude Outboard 378065 393659 434841 437414 5005440 508626	2	Thermostat		N/A

Use With:

• 18-3543: Thermostat

Interchanges/Replaces

GLM

• 13280

Johnson/Evinrude Outboard

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-1219	GLM 46100 Johnson/Evinrude Outboard 320880	1	Grommet Gasket (V6 Crossflow)		N/A
18-0182	GLM 30610 Johnson/Evinrude Outboard 310058 Mallory 9-60002 Mercury Marine 27-62386 27-62386001 Mercury Race Outboard 27-62386001	1	Thermostat Gasket		N/A
18-3135	GLM 22370 Johnson/Evinrude Outboard 306643 Mallory 9-48219 OMC Stern Drive 3852066 Volvo Penta 3852066	1	Stainless Steel Bolt (Priced Per Piece)		N/A
18-2546	GLM 33600 Johnson/Evinrude Outboard 321184 Mallory 9-60449	1	Thermostat Gasket		N/A
18-3567	GLM 46140 Johnson/Evinrude Outboard 321221	1	Rubber Valve (V6 Crossflow)		N/A
18-3562	GLM 46120 Johnson/Evinrude Outboard 321222	1	Valve Cup (V6 Crossflow)		N/A
18-1243	GLM 46150 Johnson/Evinrude Outboard 317245	1	Valve Spring (V4/V6 Crossflow)		N/A
18-3563	GLM 46180 Johnson/Evinrude Outboard 321027	1	Poppet Relief Valve (V6 Crossflow)		N/A
18-3565	GLM 46160 Johnson/Evinrude Outboard 321220	1	Retainer (V6 Crossflow)		N/A
18-3543	Johnson/Evinrude Outboard 378065 393659 434841 437414 5005440 508626	1	Thermostat		N/A

Additional Details:

• For: Volvo 8.1 (All Models) 2000-Current

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-7170	Chrysler/Force/US Marine 25-33504 GLM 82200 Johnson/Evinrude Outboard 307239 Mallory 9-76502 Mercruiser Stern Drive 25-33504 Mercury Marine 25-33504 OMC Stern Drive 307239 3852071 Volvo Penta 3852071	1	O-Ring		N/A

Additional Details:

• Temperature Rating: 180° (82 C)

Interchanges/Replaces

Volvo Penta

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2933	Mallory 9-60001 Volvo Penta 1317466 416033 418361	1	Thermostat Gasket		N/A
18-7181	GLM 45060 Volvo Penta 925091 975672	1	O-Ring		N/A

Additional Details:

• Temperature Rating: 160° (71 C)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3558	GLM 13070 OMC Stern Drive 3853799 982554 Volvo Penta 3853799	1	Thermostat		N/A
18-0164	GLM 31340 Mallory 9-60074 Mercruiser Stern Drive 27-8146801 OMC Stern Drive 311069 3789161 3852096 Volvo Penta 3852096 Yamaha Sterndrive GM 3789161 YSC-13080-00-0C	1	Thermostat Housing Gasket		N/A
NSS	Mercruiser Stern Drive 25-805063	1	O-Ring	No Image	N/A

Key Features:

• 6H3-12411-11-00 + 62Y-12414-00-00 = 18-3622 kit

Additional Details:

• Temperature Rating: 122°F / 50°C

Interchanges/Replaces

Yamaha Outboard

• 6H3-12411-00-00
• 6H3-12411-01-00
• 6H3-12411-10-00
• 6H3-12411-11-00

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0835	Mercury Marine 27-824853 27-8248531 Yamaha Outboard 62Y-12414-00-00 65W-12414-00-00 6H2-12414-00-00 6H2-12414-A1-00	1	Thermostat Gasket		N/A

Additional Details:

• Temperature Rating: 145° (63 C)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3557	Chrysler/Force/US Marine F335068 GLM 13080 Johnson/Evinrude Outboard 382385 396987 Mallory 9-43024 Mercruiser Stern Drive 47594 Volvo Penta 21148403	1	Thermostat		N/A
18-0164	GLM 31340 Mallory 9-60074 Mercruiser Stern Drive 27-8146801 OMC Stern Drive 311069 3789161 3852096 Volvo Penta 3852096 Yamaha Sterndrive GM 3789161 YSC-13080-00-0C	1	Thermostat Housing Gasket		N/A
NSS	Mercruiser Stern Drive 25-805063	1	O-Ring	No Image	N/A

Additional Details:

• Temperature Rating: 130°F

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3535	Mercury Marine 885599003 885599004 8855991 8M0057307	2	Thermostat		N/A
18-3675	Mercury Marine 27-850318 27-8503181 Mercury Sport Jet 27-8503181	2	Thermostat Cover Gasket		N/A

Additional Details:

• Temperature Rating: 60° Celcius

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3541	Mallory 9-43037 Yamaha Outboard 66M-12411-00-00 66M-12411-01-00 6G8-12411-00-00 6G8-12411-01-00 6G8-12411-02-00 6G8-12411-03-00	1	Thermostat		N/A
18-0835	Mercury Marine 27-824853 27-8248531 Yamaha Outboard 62Y-12414-00-00 65W-12414-00-00 6H2-12414-00-00 6H2-12414-A1-00	1	Thermostat Gasket		N/A

Key Features:

• 160°

Additional Details:

• Fits: GM V-6 & V-8 engines with closed cooling (1998 & newer)

Interchanges/Replaces

Mercruiser Stern Drive

• 99155T1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3555	GLM 13040 Mallory 9-43001 9-43016 Mercruiser Stern Drive 991551 99155A1 99155T2	1	Thermostat		N/A
18-1508	GLM 85860 Mercruiser Stern Drive 25-807134 25-8071341	1	Thermostat Seal		N/A

Additional Details:

• Includes: sealing ring

Interchanges/Replaces

Volvo Penta

• 3831424

Additional Details:

• Temperature Rating: 150° (66 C)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2917	GLM 31560 GM 3701777 Mallory 9-60007 9-60007-10 Mercruiser Stern Drive 27-33179 27-53045 27-530451 27-53045B1 F10077105 FI1101276 FI1101291 FI5000096 OMC Inboard 3701777 OMC Stern Drive 3701777	1	Thermostat Gasket		N/A

Additional Details:

• Temperature Rating: 150° (66 C)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3615	Volvo Penta 3587597	1	Thermostat - Raw Water		N/A
18-2917	GLM 31560 GM 3701777 Mallory 9-60007 9-60007-10 Mercruiser Stern Drive 27-33179 27-53045 27-530451 27-53045B1 F10077105 FI1101276 FI1101291 FI5000096 OMC Inboard 3701777 OMC Stern Drive 3701777	1	Thermostat Gasket		N/A
NSS	Yamaha 93210-45161-00	1	O-Ring	No Image	N/A

Key Features:

• For: 7.4L (1994-98), 8.2L (1998)

Additional Details:

• Temperature Rating: 140° (60 C)

Interchanges/Replaces

Mallory

• 9-43026

Volvo Penta

• 3853983

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-7170	Chrysler/Force/US Marine 25-33504 GLM 82200 Johnson/Evinrude Outboard 307239 Mallory 9-76502 Mercruiser Stern Drive 25-33504 Mercury Marine 25-33504 OMC Stern Drive 307239 3852071 Volvo Penta 3852071	1	O-Ring		N/A
18-0398	GLM 35060 Mallory 9-60009 Mercruiser Stern Drive 27-33918 27-8M2021920 OMC Stern Drive 312797 3852111 Volvo Penta 3852111 835417 856347	1	Thermostat Gasket		N/A
NSS	Volvo Penta 3853983	1	Thermostat	No Image	N/A

Interchanges/Replaces

Johnson/Evinrude Outboard

• 335981

Additional Details:

• Fits: MCM/MIE GM V-6 & V-8 with closed cooling

Interchanges/Replaces

GLM

• 85860

Mercruiser Stern Drive

• 25-807134
• 25-8071341